BOULDER, Colo.-- U.S. Wireless Data Inc., the maker of a point of sale terminal that communicates by cellular telephone, said a class of its shareholders has filed a lawsuit against the company in U.S. District Court in Denver.

The complaint arises from an initial public stock offering in 1993 and makes allegations similar to those in a class action filed in September in Denver District Court. As in that instance, U.S. Wireless said the suit is without merit. The company intends to file a "vigorous" response.

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